Vane rail, made of 24 gauge galvanized steel is precision-stamped and slotted assuring uniform spacing of vanes, and the fastest, easiest, most economical construction of vane assemblies. It is specially embossed adding strength and sturdiness to the finished section, eliminating rattling.
For simple low cost field installations in duct board quiet turn vanes are fabricated in heavy density molded fiberglass and are packed in 6' lengths.

• Heavy density molded fiberglass.